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RO69802A - PROCESS FOR PURIFYING PHOSPHORIC ACID - Google Patents

PROCESS FOR PURIFYING PHOSPHORIC ACID

Info

Publication number
RO69802A
RO69802A RO7385793A RO8579373A RO69802A RO 69802 A RO69802 A RO 69802A RO 7385793 A RO7385793 A RO 7385793A RO 8579373 A RO8579373 A RO 8579373A RO 69802 A RO69802 A RO 69802A
Authority
RO
Romania
Prior art keywords
phosphoric acid
purifying phosphoric
purifying
acid
phosphoric
Prior art date
Application number
RO7385793A
Other languages
French (fr)
Romanian (ro)
Other versions
RO69802B (en
Inventor
Wilson Ltd Albright
Original Assignee
Albright & Wilson Ltd,Gb
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Albright & Wilson Ltd,Gb filed Critical Albright & Wilson Ltd,Gb
Publication of RO69802B publication Critical patent/RO69802B/en
Publication of RO69802A publication Critical patent/RO69802A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/463Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being a ketone or a mixture of ketones
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/2343Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
RO7385793A 1972-04-26 1973-04-26 PROCESS FOR PURIFYING PHOSPHORIC ACID RO69802A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1947672A GB1436113A (en) 1972-04-26 1972-04-26 Purification of phosphoric acid
GB4538072 1972-10-02

Publications (2)

Publication Number Publication Date
RO69802B RO69802B (en) 1983-06-30
RO69802A true RO69802A (en) 1983-07-07

Family

ID=26254071

Family Applications (2)

Application Number Title Priority Date Filing Date
RO7385793A RO69802A (en) 1972-04-26 1973-04-26 PROCESS FOR PURIFYING PHOSPHORIC ACID
RO7374626A RO67820A (en) 1972-04-26 1973-04-26 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID

Family Applications After (1)

Application Number Title Priority Date Filing Date
RO7374626A RO67820A (en) 1972-04-26 1973-04-26 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID

Country Status (20)

Country Link
JP (1) JPS4999993A (en)
AU (1) AU8599475A (en)
BE (1) BE798737A (en)
CA (1) CA1004828A (en)
CH (1) CH613916A5 (en)
DD (1) DD109362A5 (en)
DE (1) DE2320877B2 (en)
ES (1) ES414069A1 (en)
FI (1) FI59077C (en)
FR (3) FR2182055B1 (en)
GB (1) GB1436113A (en)
IE (1) IE37549B1 (en)
IN (1) IN140334B (en)
MY (1) MY7800085A (en)
NL (1) NL7305765A (en)
NO (1) NO137082C (en)
OA (1) OA04403A (en)
RO (2) RO69802A (en)
SE (1) SE395263B (en)
TR (1) TR18445A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL48207A (en) * 1974-10-07 1978-12-17 Pennzoil Co Production of fluoride-free phosphates
CA1139956A (en) * 1978-10-10 1983-01-25 Mark A. Rose Process for extracting uranium from crude phosphoric acids
DE3246416A1 (en) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt METHOD FOR PURIFYING WET METAL PHOSPHORIC ACID
DE3246415A1 (en) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID
JP2512429Y2 (en) * 1993-07-12 1996-10-02 北陸電気工業株式会社 High voltage resistance pack
IT1285694B1 (en) * 1996-05-08 1998-06-18 Azionaria Costruzioni Acma Spa METHOD AND UNIT FOR THE TRAINING AND CONVEYANCE OF GROUPS OF PRODUCTS
DE19703884C2 (en) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Process for purifying wet process phosphoric acid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298968A (en) 1963-10-08
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
DE2334019C3 (en) * 1973-07-04 1982-11-04 Hoechst Ag, 6000 Frankfurt Process for the purification of contaminated aqueous phosphoric acid

Also Published As

Publication number Publication date
AU5488473A (en) 1974-10-31
DE2320877B2 (en) 1980-03-20
NO137082B (en) 1977-09-19
FR2289442B1 (en) 1979-02-02
JPS4999993A (en) 1974-09-20
IN140334B (en) 1976-10-16
FR2289442A1 (en) 1976-05-28
FI59077B (en) 1981-02-27
SE395263B (en) 1977-08-08
FR2289441B1 (en) 1979-02-02
RO69802B (en) 1983-06-30
IE37549B1 (en) 1977-08-17
NO137082C (en) 1977-12-28
IE37549L (en) 1973-10-26
FR2182055A1 (en) 1973-12-07
GB1436113A (en) 1976-05-19
DD109362A5 (en) 1974-11-05
TR18445A (en) 1977-02-16
FR2182055B1 (en) 1977-01-07
ES414069A1 (en) 1976-05-16
AU8599475A (en) 1975-12-18
OA04403A (en) 1980-02-29
FR2289441A1 (en) 1976-05-28
FI59077C (en) 1981-06-10
DE2320877A1 (en) 1973-11-15
BE798737A (en) 1973-10-26
CH613916A5 (en) 1979-10-31
RO67820A (en) 1980-01-15
NL7305765A (en) 1973-10-30
MY7800085A (en) 1978-12-31
CA1004828A (en) 1977-02-08

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